body {
    font-family: Arial;
    background: #f2f2f2;
}

.chat-container {
    width: 400px;
    margin: 50px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
}

.form {
    margin-bottom: 10px;
}

input {
    padding: 8px;
    margin: 5px;
    width: 60%;
}

button {
    padding: 8px 12px;
    cursor: pointer;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background: #e6e6e6;
    margin: 5px 0;
    padding: 8px;
    border-radius: 5px;
}